<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item><a href="/">用户管理</a></el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索与用户添加区域 -->
      <el-row :gutter="20">
        <el-col :span="7"
          ><el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUsersList"
            ><el-button
              slot="append"
              icon="el-icon-search"
              @click="getUsersList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4"
          ><el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          ></el-col
        >
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data="userList" stripe border>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <!-- eslint-disable-next-line -->
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="usersStateChange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <!-- eslint-disable-next-line -->
          <template slot-scope="scope">
            <el-tooltip
              effect="dark"
              content="编辑"
              placement="top"
              :enterable="false"
            >
              <!-- 修改按钮 -->
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <el-tooltip
              effect="dark"
              content="删除"
              placement="top"
              :enterable="false"
            >
              <!-- 删除按钮 -->
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
            </el-tooltip>
            <el-tooltip
              effect="dark"
              content="角色管理"
              placement="top"
              :enterable="false"
            >
              <!-- 分配角色按钮 -->
              <el-button
                type="item"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页功能区 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!-- 添加用户信息对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="closeFrom"
    >
      <el-form
        :model="addForm"
        :rules="addFromRules"
        ref="addFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户信息对话框 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="closeEditFrom"
    >
      <el-form
        :model="editFrom"
        :rules="editFromRules"
        ref="editRuleFormRef"
        label-width="70px"
      >
        <el-form-item label="用户名">
          <el-input v-model="editFrom.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editFrom.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editFrom.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editFromInfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 角色管理对话框 -->
    <el-dialog
      title="角色管理"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户:{{ userInfo.username }}</p>
        <p>当前的角色:{{ userInfo.role_name }}</p>
        <p>
          分配新角色:<el-select v-model="selectRoleId" placeholder="请选择">
            <el-option
              v-for="item in roleList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            >
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证邮箱规则
    var checkEmail = (rule, value, callback) => {
      // 正则验证邮箱
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
      if (regEmail.test(value)) {
        // 合法邮箱
        return callback();
      }
      callback(new Error("请输入正确的邮箱！"));
    };
    // 验证手机规则
    var checkMobile = (rule, value, callback) => {
      // 正则验证手机
      const regMobile =
        /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/;
      if (regMobile.test(value)) {
        // 合法手机
        return callback();
      }
      callback(new Error("请输入正确的手机号码！"));
    };
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: "",
        // 当前显示第几页
        pagenum: 1,
        // 当前页面的页码数
        pagesize: 2,
      },
      userList: [],
      total: 0,
      // 控制对话框的显示与隐藏
      addDialogVisible: false,
      addForm: {
        username: "",
        password: "",
        email: "",
        mobile: "",
      },
      // 添加用户的表单验证规则
      addFromRules: {
        username: [
          { required: true, message: "请输入用户名称", trigger: "blur" },
          {
            min: 3,
            max: 10,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            min: 6,
            max: 15,
            message: "长度在 3 到 10 个字符",
            trigger: "blur",
          },
        ],
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 控制对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息对象
      editFrom: {},
      // 修改编辑表单的验证规则
      editFromRules: {
        email: [
          { required: true, message: "请输入邮箱", trigger: "blur" },
          { validator: checkEmail, trigger: "blur" },
        ],
        mobile: [
          { required: true, message: "请输入手机号码", trigger: "blur" },
          { validator: checkMobile, trigger: "blur" },
        ],
      },
      // 控制角色管理对话框的显示与隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: {},
      // 获取角色列表信息
      roleList: [],
      // 已选中的角色id值
      selectRoleId: "",
    };
  },
  created() {
    this.getUsersList();
  },
  methods: {
    async getUsersList() {
      const { data: res } = await this.$http.get("users", {
        params: this.queryInfo,
      });
      if (res.meta.status !== 200) {
        return this.$message.error("获取数据列表失败！");
      }
      this.userList = res.data.users;
      this.total = res.data.total;

      console.log(res);
    },
    // 监听页面页数变化
    handleSizeChange(newSize) {
      // console.log(newSize);
      this.queryInfo.pagesize = newSize;
      this.getUsersList();
    },
    // 监听页码值变动触发
    handleCurrentChange(newPage) {
      console.log(newPage);
      this.queryInfo.pagenum = newPage;
      this.getUsersList();
    },
    async usersStateChange(userInfo) {
      console.log(userInfo);
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userInfo.mg_state != userInfo.mg_state;
        return this.$message.error("更新用户数据失败！");
      }
      this.$message.success("更新用户数据成功！");
    },
    // 这里要加resetFields s别忘了 监听用户对话框关闭事件
    closeFrom() {
      this.$refs.addFormRef.resetFields();
    },
    // 点击按钮,添加新用户
    addUser() {
      // 获取表单中用户数据
      this.$refs.addFormRef.validate(async (valid) => {
        console.log(valid);
        const { data: res } = await this.$http.post("users", this.addForm);
        console.log(res);
        // 发起添加用户网络请求
        if (res.meta.status !== 201) {
          return this.$message.error("添加用户信息失败");
        }
        this.$message.success("添加用户信息成功");
        // 隐藏添加用户的对框框
        this.addDialogVisible = false;
        // 重新获取用户列表数据
        this.getUsersList();
      });
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      // console.log(id);
      // 查询用户需要修改的信息
      const { data: res } = await this.$http.get("users/" + id);
      if (res.meta.status !== 200) {
        return this.$message.error("查询用户信息失败！");
      }
      this.editFrom = res.data;
      this.editDialogVisible = true;
    },
    closeEditFrom() {
      this.$refs.editRuleFormRef.resetFields();
    },
    // 发起修改表单的预校验请求
    editFromInfo() {
      this.$refs.editRuleFormRef.validate(async (valid) => {
        if (!valid) return;
        // 发起修改用户的数据请求;
        const { data: res } = await this.$http.put(
          "users/" + this.editFrom.id,
          {
            email: this.editFrom.email,
            mobile: this.editFrom.mobile,
          }
        );
        if (res.meta.status !== 200) {
          return this.$message.error("修改用户信息失败");
        }
        // 提示用户修改成功
        this.$message.success("修改用户信息成功");
        // 修改成功隐藏对话框
        this.editDialogVisible = false;
        // 刷新数据列表
        this.getUsersList();
      });
    },
    async removeUserById(id) {
      const confirmResult = await this.$confirm(
        "此操作将数据删除该文件, 是否继续?",
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      ).catch((err) => err);
      // 如果用户确认删除, 返回值为confirm
      // 如果用户取消删除, 返回值为cancel
      if (confirmResult !== "confirm") {
        return this.$message.info("已取消删除");
      }
      // 发起请求删除
      const { data: res } = await this.$http.delete("users/" + id);
      // console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("删除数据失败");
      }
      this.$message.success("删除数据成功");
      this.getUsersList();
    },
    // 展示分配角色对话框
    async setRole(userInfo) {
      this.setRoleDialogVisible = true;
      this.userInfo = userInfo;
      // 获取角色列表信息
      const { data: res } = await this.$http.get("roles");
      if (res.meta.status !== 200) {
        return this.$message.error("获取角色列表信息失败！");
      }

      this.roleList = res.data;
      // console.log(this.roleList);
    },
    // 点击按钮分配角色
    async saveRoleInfo() {
      if (!this.selectRoleId) {
        return this.$message.error("请选择角色！");
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        { rid: this.selectRoleId }
      );
      // console.log(res);
      if (res.meta.status !== 200) {
        return this.$message.error("获取角色失败！");
      }
      this.$message.success("获取角色成功！");
      this.getUsersList();
      this.setRoleDialogVisible = false;
    },

    // 关闭角色对话框的一直重置操作
    setRoleDialogClosed() {
      this.selectRoleId = "";
      this.userInfo = "";
    },
  },
};
</script>

<style lang="less" scoped>
</style>